1.

यदि `x/(a+b)+1=x/(a-b)+(a-b)/(a+b)` है तो `x` किसके बराबर है ?A. `2a-b`B. `a+b`C. `a-b`D. `2a+b`

Answer» Correct Answer - C
`x/(a+b)+1=x/(a-b)+(a-b)/(a+b)`
`x/(a+b)-x/(a-b)=(a-b)/(a+b)-1`
`(ax-bx-ax-bx)/((a+b)(a-b))=(a-b-a-b)/(a+b)`
`(-2bx)/((a+b)(a-b))=(-2b)/((a+b))`
`x/((a+b)(a-b))=1/((a+b))`
`x=((a+b)(a-b))/((a+b))`
`x=(a-b)`


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