Using distributive law, find the squares of
(a)101
(b) 72
Irm and
Answers
Answered by
3
Answer:
Step-by-step explanation:
101^2
= (100 + 1)^2
= (100 + 1) (100 + 1)
= (100 × 100) + { (1 + 1) × 100 } + (1 × 1)
= 10000 + (2 × 100) + 1
= 10000 + 200 + 1
= 10201
Answered by
11
HELLO MATE
HERE IS YOUR ANSWER
1 ) ( 101 ) ²
( 100 + 1 ) ²
10000 + 1 + 2 * 100 * 1
10000 + 1 + 200
10201.
2 ) ( 72 )²
( 70 + 2 )²
4900 + 4 + 2 * 70 * 2
4900 + 4 + 280
5184.
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