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If I (1) = int (0) ^(1) 2 ^(x ^(2)) dx, ...

If `I _(1) = int _(0) ^(1) 2 ^(x ^(2)) dx, I _(2) = int _(0) ^(1) 2 ^(x ^(3)) dx, I _(3) = int _(1) ^(2) 2 ^(x ^(3)) dx and I _(4 ) = int _(1) ^(2) 2 ^(x ^(3))` dx then-

A

`I _(2) gt I _(1)`

B

`I _(1) gt I _(2)`

C

`I _(3) =I_(4)`

D

`I _(3) gt I _(4)`

Text Solution

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The correct Answer is:
B
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If I_(1)=int_(0)^(1) 2^(x^(2)) dx, I_(2)=int_(0)^(1) 2^(x^(3)) dx, I_(3)=int_(1)^(2) 2^(x^(2))dx and I_(4)=int_(1)^(2) 2^(x^(2))dx then

Let I _(1) = int _(1) ^(2) (dx )/(sqrt(1 + x ^(2))) and I _(2) = int _(1) ^(2) (dx)/(x)

If I_(1) int_(1)^(2) dx/sqrt(1+x^(2)) and I_(1) = int _(1)^(2) dx/x then

IfI_(1)=int_(0)^(1)2^(x^(2)),I_(2)=int_(0)^(1)2^(x^(3))dx,I_(3)=int_(1)^(2)2^(x^(2))dx,I_(4)=int_(1)^(2)2^(x^(3))dx then which of the following is/are true? I_(1)>I_(2)(b)I_(2)>I_(1)I_(3)>I_(4)(d)I_(3)

Consider the integrals I_(1)=int_(0)^(1)e^(-x)cos^(2)xdx,I_(2)=int_(0)^(1) e^(-x^(2))cos^(2)x dx,I_(3)=int_(0)^(1) e^(-x^(2))dx and I_(4)=int_(0)^(1) e^(-x^(1//2)x^(2))dx . The greatest of these integrals, is

I=int_(0)^(1)((1+x)/(2-x))dx

If I_(1) =int _(0)^(1) (1+x ^(8))/(1+x^(4)) dx sand I_(2)=int _(0)^(1) (1+ x ^(9))/(1+x ^(2)) dx, then:

l_(1)=int_(0)^(1)3^(x^(2))dx,l_(2)=int_(0)^(1)3^(x^(3))dx,l_(3)=int_(1)^(2)3^(x^(2))dx,l_(4)=int_(1)^(2)3^(x^(3))dx then (i)I_(1)>I_(2)(ii)I_(2)>I_(1)(iii)I_(3)>I_(4)(iv)I_(4)>I_(3)

MOTION-DEFINITE INTEGRATION -EXERCISE -2 (LEVEL-I)
  1. Let I (1) = int (1) ^(2) (dx )/(sqrt(1 + x ^(2))) and I (2) = int (1) ...

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  2. If I(n)=underset(0)overset(pi//4)inttan^(n)x dx, then (1)/(I(2)+I(4)...

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  3. If I (1) = int (0) ^(1) 2 ^(x ^(2)) dx, I (2) = int (0) ^(1) 2 ^(x ^(3...

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  4. If u (n) = int (0) ^(pi//2) x ^(n) sin x dx, n in N then the value of ...

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  5. The vlaue of the integral underset(-1)overset(3 )int ("tan"^(1)(x)/(...

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  6. In = int0^(pi/4) tan^n x dx , then the value of n(l(n-1) + I(n+1)) is

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  7. The value of the integral l = int(0)^(1) x(1-x)^(n) dx is

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  8. Let I (1) = int (0) ^(1) (e ^(x) dx )/( 1 + x) and I (2) = int (0) ^(1...

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  9. If f(x) is a function satisfying f(1/x)+x^2f(x)=0 for all nonzero x , ...

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  10. If underset(0)overset(100)intf(x) dx = a, then underset(r=1)overset(10...

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  11. If f(x) and g(x) are continuous functions, then int(In lamda)^(In (1//...

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  12. underset(2-ln3)overset(3+ln3)int(ln(4+x))/(ln(4+x)+ln(9-x))dx is equal...

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  13. If [x] stands for the greatest integer function, the value of overset(...

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  14. Find the value of the function f(x)=1+x+int1^x((lnt)^2+2lnt) dt where ...

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  15. If f(x)=e^(g(x))a n dg(x)=int2^x(tdt)/(1+t^4) then f^(prime)(2) has th...

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  16. If f(x) is differentiable and int0^(t^2)xf(x)dx=2/5t^5, then f(4/(25))...

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  17. If y(x)=\ int(pi^2//16)^(x^2)(cos xdotcossqrt(theta))/(1+sin^2sqrt(the...

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  18. lim( n to oo) (sin ""(pi)/(2n) . sin ""(2pi)/(2n). sin ""(3pi)/(2n)......

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  19. The value of underset( n rarroo)(lim) underset(r=1)overset(r=4n)(sum)(...

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  20. lim(n->oo) (1^p+2^p+3^p+...........+n^p)/n^(p+1)

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