कौन सा समीकरण \(x^2-6x+9=0\) के बराबर है?
Which equation is equivalent to \(x^2-6x+9=0\)?
Explanation opens after your attempt
A. ((x-3)2=0)
Concept
((x-3)2=x-2-6x+9). Recognising perfect squares saves time.
Why this answer is correct
The correct answer is A. ((x-3)2=0). ((x-3)2=x-2-6x+9). Recognising perfect squares saves time.
Exam Tip
((x-3)2=x-2-6x+9) होता है। पूर्ण वर्ग पहचानने से समय बचता है।
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