Question

Given a= 5p ; b= 3q . Find (a-b)3

(3)

ii. If a + b+ c = 9 and a2 + b2 + c2 = 29 ; find ab + bc + ca (3)

iii. Expand (2x - 3y + z)​

Answer 1

Answer:

i) 2

Step-by-step explanation:

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