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प्रश्न
Write the following square of binomial as trinomial: (x + 2)2
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उत्तर
We will use the identities
\[\left( a + b \right)^2 = a^2 + 2ab + b^2 \text { and } \left( a - b \right)^2 = a^2 - 2ab + b^2\] to convert the squares of binomials as trinomials.
\[\left( x + 2 \right)^2 \]
\[ = x^2 + 2 \times x \times 2 + b^2 \]
\[ = x^2 + 4x + b^2\]
संबंधित प्रश्न
Simplify.
(a2 + 5) (b3 + 3) + 5
Simplify.
(x + y) (x2 − xy + y2)
Write the following square of binomial as trinomial:
\[\left( x + \frac{x^2}{2} \right)^2\]
Write the following square of binomial as trinomial: \[\left( \frac{x}{4} - \frac{y}{3} \right)\]
Write the following square of binomial as trinomial: \[\left( 3x - \frac{1}{3x} \right)^2\]
Write the following square of binomial as trinomial: \[\left( \frac{2a}{3b} + \frac{2b}{3a} \right)^2\]
Product of 6a2 – 7b + 5ab and 2ab is ______.
p2q + q2r + r2q is a binomial.
Multiply the following:
`- 100/9 rs; 3/4 r^3s^2`
Multiply the following:
`3/2 p^2 + 2/3 q^2, (2p^2 - 3q^2)`
