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