Question

factorise completely (x+2y)⁴-1​

Answer 1

Factorisation

=(X + 2y)^4 - 1^4

={(X+ 2y)^2}^2 - (1^2)^2

={(X + 2y )^2+1^2}{(x^2 + 2y)^2 -1}

=(x^2 + 4yx +4y^2 +1)(x + 2y -1)(x+2y+1)

Answer 2

Answer:

(x+2y)⁴-1

x⁴+(2y)⁴-1

x⁴+(2y)⁴-1x⁴+16y-1

x⁴+(2y)⁴-1x⁴+16y-116yx⁴-1

x⁴+(2y)⁴-1x⁴+16y-116yx⁴-1Step-by-step explanation:

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