Question

if a = 2, b = -3, c = 1 Find the value of i) 3a + 5b-20.ii) a³+ b³+c³ -3abc.​

Answer 1

Answer:

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Answer 2

answer

a=2,b=3,c=1 3a 5b-20

$3 \times 2 + 5 \times ( - 3) - 20 = - 20$