Math, asked by varshneyvaishu696, 4 months ago

a5b-ab5 का गुणनखण्ड कीजिए​

Answers

Answered by mantu9000
2

प्रश्न द्वारा दिया गया:

a^5b - ab^5

a^5b - ab^5 का गुणनखण्ड कीजिए​।

a^5b - ab^5

= ab(a^4-b^4)

= ab{(a^2)^2-(b^2)^2}

= ab(a^2+b^2)(a^2-b^2)

= ab(a^2+b^2)(a+b)(a-b)

a^5b - ab^5 = ab(a^2+b^2)(a+b)(a-b)

a^5b - ab^5 का गुणनखण्ड = ab(a^2+b^2)(a+b)(a-b)

Answered by amitnrw
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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