Solve the following equations: √4a+b−5x+√4b+a−5x = 3√a+b−2x
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Solution
Ans: x=a,b
Put a−x=pandb−x=q
On squaring twice, we get pq=0 ∴p=0,q=0i.e.,x=a,b [Note that if the operations with complex numbers are regarded as unknown, there will be only one root either a or b.]