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Assertion: If (1+ax)^n=1+8x+24^2+……… the...

Assertion: If `(1+ax)^n=1+8x+24^2+………` then vaues of a and n are 2 and 4 Reason IN an identity in x the coefficients of similar powers of x on the two sides are equal. (A) Both A and R are true and R is the correct explanation of A (B) Both A and R are true R is not te correct explanation of A (C) A is true but R is false. (D) A is false but R is true.

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Assertion: If |A^2|=25 then A=+- 1/5 , Reason: |AB|=|A||B| (A) Both A and R are true and R is the correct explanation of A (B) Both A and R are true R is not te correct explanation of A (C) A is true but R is false. (D) A is false but R is true.

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Assertion: ABCD is a rhombus. Reason: AB=BC=CD=DA and AC!=BD . (A) Both A and R are true and R is the correct explanation of A (B) Both A and R are true R is not te correct explanation of A (C) A is true but R is false. (D) A is false but R is true.