Question

Find the products using suitable identity:
a) (t – 2)(t – 2)
b) (3y – 2z) (3y + 2z)
c) 105 × 98

pls answer
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Answer 1

Step-by-step explanation:

a) (t – 2)(t – 2)

(t-2)²

t²-2×t×2+2²

t²-4t+4

b). (3y – 2z) (3y + 2z)

(3y)²-(2z)²

9y²-4z²

c) 105 × 98

10,290