Question 1/2
Easy Mathematics
Quadratic Equations Methods of Solving Quadratic Equations Class 10 Level 36
पूर्ण वर्ग बनाते समय \(x^2-22x\) में कौनसा पद जोड़ना होगा?
While completing the square, which term must be added to \(x^2-22x\)?
Explanation opens after your attempt
Step 1
Concept
Half of (-22) is (-11), and ((-11)2=121). In exams, the square of half the coefficient is always positive.
Step 2
Why this answer is correct
The correct answer is A. (121). Half of (-22) is (-11), and ((-11)2=121). In exams, the square of half the coefficient is always positive.
Step 3
Exam Tip
(-22) का आधा (-11) है और ((-11)2=121) होता है। परीक्षा में आधे गुणांक का वर्ग हमेशा धनात्मक होता है।
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Question 2/2
Easy Mathematics
Quadratic Equations Methods of Solving Quadratic Equations Class 10 Level 35
पूर्ण वर्ग बनाते समय \(x^2-18x\) में कौनसा पद जोड़ना होगा?
While completing the square, which term must be added to \(x^2-18x\)?
Explanation opens after your attempt
Step 1
Concept
Half of (-18) is (-9), and ((-9)2=81). In exams, the square of half the coefficient is always positive.
Step 2
Why this answer is correct
The correct answer is A. (81). Half of (-18) is (-9), and ((-9)2=81). In exams, the square of half the coefficient is always positive.
Step 3
Exam Tip
(-18) का आधा (-9) है और ((-9)2=81) होता है। परीक्षा में आधे गुणांक का वर्ग हमेशा धनात्मक होता है।
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