Question

evalute (1) (98)²
(2) 2x-y+z)²
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Answer 1

Answer:

9604 answer of 1 question

Answer 2

Answer:

(i)(98)^2 = 98×98= 9604

(ii) (2x-y+z)^2 = (2x)^2 + (-y)^2 + (z)^2 + 2[2x × (-y)] + 2[(-y) × z] - 2[z × 2x ]

= 4x+y+z-4xy-2yz-4zx

Step-by-step explanation:

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