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Let a,b, c, d be any four real number. T...

Let a,b, c, d be any four real number. Then `a^(n)+b^(n)=c^(n)+d^(n)` holds for any natural number n is

A

`a+b=c+d`

B

a-b=c-d

C

a+b=c+d, `a^(2)+b^(2)=c^(2)+d^(2)`

D

`a-b=c-d,a^(2)-b^(2)=c^(2)-d^(2)`

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WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2015-MULTIPLE CHOICE QUESTIONS
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  3. Let a,b, c, d be any four real number. Then a^(n)+b^(n)=c^(n)+d^(n) ho...

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  6. The quadratic expression (2x+1)^(2)-px+qne0 for any real x is

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  9. Let f:[-2,2]toR be a continuous function such that f(x) assumes only i...

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  10. The minimum value of costheta+sintheta+(2)/(sin2theta) for thetain(0,p...

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  13. Given that x is a real number satisfying (5x^(2)-26x+5)/(3x^(2)-10x+3)...

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  14. Let x(n)=(1-(1)/(3))^(2)(1-(1)/(6))^(2)(1-(1)/(10))^(2).............(1...

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  19. If in a triangle DeltaABC,a^(2)cos^(2)A-b^(2)-c^(2)=0, then

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  20. {x""inR":"|cosx|gesinx}cap[0,(3pi)/(2)]

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