Math, asked by divyanshi6564, 9 months ago

1/a+b+x - 1/x = 1/a + 1/b​

Answers

Answered by pulakmath007
1

SOLUTION ::

( 1 / [a+b+x] ) - (1 / x ) = (1/a) + (1/b)

=> { x - [a+b+x] } / ([a+b+x] *x ) = {a+b} / ab

=> - { a+b} / ( [a+b+x] * x ) = { a+b} / ab

=> -1 / ( [a+b+x] * x ) = 1 / ab

Cross Multiply : -ab = [a+b+x] * x

On Simplification : x^2 + (a+b) x + ab = 0

Applying the Splitting the middle term method :

=> x^2 + (a+b) x + ab = 0

=> [x^2 + ax]+ [bx + ab] = 0

So

x ( x + a) + b ( x + a) = 0

=> (x + a ) * ( x + b ) = 0

Therefore : (x+a) = 0 or (x+b) = 0

Now : x = -a or x = -b

The value of x is : -a or -b

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Answered by Mathephobia
1

Answer:

The answer is

x = - a, - b

Thank you

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