समीकरण \(x^2-4x+4=0\) में (x=2) रखने पर क्या मिलता है?
What do we get by putting (x=2) in \(x^2-4x+4=0\)?
Explanation opens after your attempt
A. (0=0)
Concept
We get \(2^2-4\cdot2+4=0\). Hence (x=2) is a correct solution.
Why this answer is correct
The correct answer is A. (0=0). We get \(2^2-4\cdot2+4=0\). Hence (x=2) is a correct solution.
Exam Tip
\(2^2-4\cdot2+4=0\) है। अतः (x=2) सही हल है।
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