Math, asked by ismamahmood91, 1 month ago

find the cube of ab^2-c^2

Answers

Answered by BARATHSHIVAM

0

Step-by-step explanation:

(ab²-c²)³

(A-B)³ = A³- 3A²B +3AB² -B³

= A³-B³- 3AB(A-B)

A = ab² B = c²

(ab²-c²)³ = (ab²)³ -(c²)³ -3(ab²)(c²)[ab²-c²]

= a³b⁶ - c⁶ - 3(ab²c³)[ab²-c²]

(or)

= a³b⁶ - 3(a²b⁴c²) +3(ab²c⁴) - c⁶

R W

(a¹b²)³ = (a¹)³(b²)³ = a³b⁶

(c²)³ = c⁶

(ab²)² = a²b⁴

(c²)² = c⁴

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