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The coefficient of x^4 in the expansion ...

The coefficient of `x^4` in the expansion of `(1+x-2x^2)^7` is :

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RESONANCE DPP ENGLISH-JEE MAINS-All Questions
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  2. A relation R is defined on the set of circles such that "C(1)RC(2)impl...

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  3. The coefficient of x^4 in the expansion of (1+x-2x^2)^7 is :

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  4. If line x-2y-1=0 intersects parabola y^(2)=4x at P and Q, then find th...

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  5. If tan B=(n sin A cos A)/(1-n cos^(2)A), then tan(A+B) equals to

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  6. int(-1)^(1)(e^(-1//x))/(x^(2)(1+e^(-2//x))dx is equal to

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  7. Construct the truth table for the followings statements : (a) (p^^q)...

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  8. Given lines (x-4)/(2)=(y+5)/(4)=(z-1)/(-3) and (x-2)/(1)=(y+1)/(3)=(z)...

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  9. .Let a1, a2, a3... be in AP and g1, g2... be in GP If a1, g1=2 and a...

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  10. If f(x)={ax^3+b, for 0 le x le 1 and 2cospix+tan^-1x, for 1 < x le 2 b...

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  11. The straight line (x)/(4)+(y)/(3) =1 intersects the ellipse (x^(2))/(1...

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  12. The area bounded by the curve y=|cos^(-1)(sinx)|-|sin^(-1)(cosx)| and ...

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  13. A tangent to the ellipse x^(2)+4y^(2)=4 meets the ellipse x^(2)+2y^(2)...

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  14. If the mid-point of a chord of the ellipse (x^2)/(16)+(y^2)/(25)=1 (0,...

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  15. If |a|lt|b|,b-alt1 and a,b are the real roots of the equation x^2-|a...

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  16. (lim)(x->0)(1-cos^n(1-cosx)/(tan^m x))=1. Then (n - m) is :

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  17. Let vertices of an acute-angled triangle are A(z1),B(z2),a n dC(z3)dot...

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  18. If the area by y=x^2+2x-3 and the line y=k x+1 is the least, find k an...

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  19. Let z1, z2........ zn be equi-modular non-zero complex numbers such th...

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  20. If f(n)=int(0)^(2015)(e^(x))/(1+x^(n))dx, then find the value of lim(n...

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