Question

Find the product by using the
formula
i) (c+d)²
ii) (x-1)²
iii) (y-2)²
iv) (t+3)²
v) (a+1)³
​

Answer 1

Step-by-step explanation:

1) c^2 + d^2 + 2 c d

2) x^2 + 1^2 - 2 x = x^2 - 2 x + 1

3) y^2 + 2^2 - 2 y 2 = y^2 - 4y + 4

4) t^2 + 3^2 + 2 t 3 = t^2 + 6t + 9

5) a^3 + 3 × a^2 ×1 + 3 × a × 1^2 + 1^3 = a^3 + 3a^2 + 3a + 1

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Answer 2

Answer:

i)c^2+2cd+d^2

ii)x^2-2x+1

iii)y^2-4y+4

iv)t^2+6t+9

v)a^3+3a(a+1)+1