if p=-2,q=-1 and r=3 find the value of p3+ q3+ r3+ 3pqr
Answers
Answered by
0
Answer:
-8-1+27+3*(-3)*(-1)*3
-8-1+27+27
-9+54
45 is the answer
Answered by
1
Answer:
I8 is the required answer
Step-by-step explanation:
= p3+q3+r3+3pqr
= 3(p+q+r) + 3pqr
= 3(-2+-1+3) + 3×-2×-1×3
= 3(3-3) + 3×2×3
= 3×0 + 6×3
= 0 + 18
= 18
Please mark me as brainliest and hope it helps
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