Question

Find the following product using suitable identities. Mention the
identities used
i) Square of (x+0.09)
ii) (0.2+0.3)(0.2−0.3)
iii)(2z²-9)(2z²+6)
iv) 10.5×9.5
v) 104²
vi)999²
vii) 61²-60²
viii) 113×102
plz don't spam answer with full steps plz solve these......and only that the answer

Answer 1

Answer:

• 1.(a+b)²=a²+b²+2ab
• 2.a²-b²
• 4.(a-b)(a+b)= a²-b²
• 5.(a+b)²
• 6.(a-b)²
• 7.(a+b)(a-b)

Answer 2

Answer:

Answer:

1.(a+b)²=a²+b²+2ab

2.a²-b²

4.(a-b)(a+b)= a²-b²

5.(a+b)²

6.(a-b)²

7.(a+b)(a-b)