Expand and simplify (a + b)^2. Pls answer fast!!!
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Solution:
( a + b )²
= ( a + b ) × ( a + b )
= a² + ab + ba + b²
= a² + 2ab + b²
Verify:
Let a = 3 and b = 4
➸ ( 3 + 4 )² = 3² + 2 × 3 × 4 + 4²
➸ 7² = 9 + 24 + 16
➸ 49 = 49
Values are equal.
Hence Verified ✓
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