engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) Quantitative Aptitude Algebra Identities

x + y + z = 6 এবং x2 + y2 + z2 = 14 হলে, xy + yz + zx এর মান নির্ণয় করুন।

1

32

2

16

3

11

4

9

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