Expand using formula (2a+3)*2
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The identity which is to be used :
(a+b)² = a²+b²+2ab
And the given statement which is to be expanded :
(2a+3)²
Solution :
(2a+3)²
= (2a)²+(3)²+2×2a×3
= 4a²+9+12a
The above identity is included in the topic of polynomials.
What is a polynomial?
=> Any algebric expression having the exponent of variable as a whole number.
(a+b)² = a²+b²+2ab
And the given statement which is to be expanded :
(2a+3)²
Solution :
(2a+3)²
= (2a)²+(3)²+2×2a×3
= 4a²+9+12a
The above identity is included in the topic of polynomials.
What is a polynomial?
=> Any algebric expression having the exponent of variable as a whole number.
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