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The value of ln2 d/dx(log(cos x) cosec x...

The value of `ln2 d/dx(log_(cos x) cosec x)` at `x =pi/4` is

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JEE MAINS PREVIOUS YEAR-JEE MAIN 2022-Question
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  2. sum(i=0)^n sum(j=0)^n .^nCi xx ^nCj , (i ne j) is equal to :

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  3. The value of ln2 d/dx(log(cos x) cosec x) at x =pi/4 is

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  4. In a group of AP having 1st term 100 and last term 199. If number of t...

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  5. dy/dx-y=1-e^-x represent a curve y=f(x) such that lim(x to 0) f(x) is ...

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  6. sin^-1x/alpha=cos^-1x/beta then value of sin((2 pi alpha)/(alpha+beta)...

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  7. If x^2+y^2+2ax+2by+c=0 is a circle whose diameter is PQ such that absc...

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  8. Let A=[(a,b),(c,d)] be a matrix such that A=A^-1 where a , b , c ,d in...

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  9. Let means and standard deviation of 40 observations are 30 and 5 respe...

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  10. If p and q are two statements then negation of p hArr (q rArr p) is

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  11. Let a1,a2,a3, . . .,an be in A.P. The ratio of sum of first five terms...

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  12. Let S be sample space for 5 digit numbers . If p is probability of a n...

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  13. Let A=[(1,2),(-2,-5)] , alpha & beta belongs to real numbers such that...

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  14. (p wedge r) hArr (p wedge ~q) which is equivalent to ~p. Then r will b...

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  15. The remainder of (2021)^(2022)+(2022)^(2021) when divided by 7 is

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  16. Let R1 and R2 be two relation defined on R by aR1 b:ab ge 0 and aR2b h...

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  17. If x^2/a^2+y^2/b^2=1 satisfies (4sqrt(2/5),3) and e=1/4 then, a^2+b^2 ...

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  18. Cos ((2pi)/7) + cos ((4pi)/7) + cos ((6pi)/7) =

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  19. If lim(x to 7) (18-[1-x])/([x]-3a) exist, then a is equal to

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  20. abs((14,28,-14),(-14,14,28),(28,-14,14))=abs(adj(adj(A))), then abs(A)...

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