Find the square of 37 number without actual multiplication.
CLASS 8
Answers
Answered by
1
Answer:
(37)²
=(30+7)²
=(30+7)(30+7)
=900+210+210+49
=1,369
Answered by
1
Answer:
1369
Step-by-step explanation:
37 can be written as
30+7
Thus, (37)² can be written as:
(30+7)² = (30)² + 2×30×7 + (7)² [ Using identity of (a+b)²
= 900 + 420 + 49 a²+2ab+b² ]
= 1369 Ans
Hope it helps! :D
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