Q. What will be the value of r2+p2+s2-rp-ps-rs when r = 4, p = 2, s = 8?
A) 18
B) 8
C) 38
D) 28
✔ Correct Answer: 28
Exam Insight
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A) 18
B) 8
C) 38
D) 28
✔ Correct Answer: 28
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