Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Algebra Polynomials

The coefficient of xy in 3x²zy + 7xyz – 2z²x is

1

3z

2

–2

3

7yz

4

More than one of the above

5

None of the above

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