Choose the correct alternative answer fo...

Choose the correct alternative answer for each of the following question
What is the value of `(1/x - 1/y)`, if `6/x = 3/y = 10` and `2/x - 5/y = 6`?

A

1

B

2

C

-2

D

-1

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The correct Answer is:

B

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If sqrt(1 - x^6) + sqrt(1 - y^6) = a^3 (x^3 - y^3) prove that (dy)/(dx...
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