ICSE Class 8 Answered
Factorise :
36x^4-72x^2y^2+36y^2
Asked by Cl_narayan | 09 Jan, 2020, 01:20: PM
Expert Answer
Question should be 36x4-72x2y2+36y4.
36x4-72x2y2+36y4
= 36(x4-2x2y2+y4)
= 36(x2 - y2)2
= 2 × 2 × 3 × 3 × (x2 - y2)×(x2 - y2)
= 2 × 2 × 3 × 3 × (x - y)× (x + y)× (x - y)× (x + y)
Answered by Yasmeen Khan | 10 Jan, 2020, 10:30: AM
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