Question

a square + b square = 65 and ab = 25 find a minus b​

Answer 1

Given:

$\sf{a^2+b^2=65}$

$\sf{ab=25}$

To find:

$\sf{a-b}$

Identity used:

$\sf{(a-b)^2=a^2+b^2-2ab}$

Solution:

Subtituting the given values in the above identity

$\sf{\implies (a-b)^2=65-2(25)}$

$\sf{\implies (a-b)^2=65-50}$

$\sf{\implies (a-b)^2=15}$

$\sf\boxed{\therefore a-b=\sqrt{15}}$

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Answer 2

hlo...

refer to the attatchment provided

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