a5b-ab5 का गुणनखण्ड कीजिए
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Answered by
2
प्रश्न द्वारा दिया गया:
b - a
b - a का गुणनखण्ड कीजिए।
∴ b - a
= ab
= ab
= ab
= ab
∴ b - a = ab
∴ b - a का गुणनखण्ड = ab
Answered by
1
Given : a⁵b - ab⁵
To Find : गुणनखण्ड
Factorize
Solution:
a⁵b - ab⁵
= a⁴⁺¹b - ab⁴⁺¹
Use xᵃ⁺ᵇ=xᵃ.xᵇ
= a⁴.ab-ab.b⁴
Take ab common
= ab(a⁴ - b⁴)
a⁴ = a⁽²ˣ²⁾ = (a²)² similarly b⁴ = b⁽²ˣ²⁾ = (b²)²
= ab( (a²)² - (b²)²)
Use x² - y² = (x + y)(x - y)
= ab(a² + b²)(a² - b²)
Use x² - y² = (x + y)(x - y) again
= ab(a² + b²)(a + b)(a - b)
a⁵b - ab⁵ = ab(a² + b²)(a + b)(a - b)
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