Question

simplify: (2a)-2 choose all correct options 1/4a2,4a2, (1 /2a)2, -4a2​

Answer 1

Divide Rs 760 among A,B,C such that A gets 5/6 of what B gets and the ratio between the shares of B & C is 3:4 . [Hint:Let B's share be Rs 3x and C's share be Rs 4x. Then,A's share=Rs(5/6×3x) =Rs 5x/2.mememkekw

Answer 2

Answer:

(a

4

−2a

2

b

2

+b

4

)

x−1

=(a−b)

2x

(a+b)

−2

Applying log on both the sides gives

(x−1)log(a

4

−2a

2

b

2

+b

4

)=2xlog(a−b)−2log(a+b)

⇒(x−1)log(a

2

−b

2

)

2

=2xlog(a−b)−2log(a+b)

⇒2(x−1)log(a

2

−b

2

)=2xlog(a−b)−2log(a+b)

⇒2(x−1)(log(a+b)+log(a−b))=2xlog(a−b)−2log(a+b)

⇒xlog(a+b)=log(a−b)

⇒x=

log(a+b)

log(a−b)

Step-by-step explanation:

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