What is the value of x2 yz - xyz2 , if x = -2, y = 1 and z = 3 ?
Solution
Correct Answer: Option C
Solution:
দেয়া আছে, x2 yz - xyz2 = (- 2)2 \( \times \) (1) \( \times \) 3 - (- 2) \( \times \) 1 \( \times \) (3)2
= (4 \( \times \) 1 \( \times \) 3) + (2 \( \times \) 1 \( \times \) 9) = 12 + 18 = 30
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