factorise of the folloeing......
Attachments:
Answers
Answered by
1
a^4 - (a^2 - 3b )^2
use identity: (a - b )^2 =a^2 + b^2 - 2ab ,in second part of the given question ,as it is ,
a = a^2, b = 3b
=a^4 - { (a^2)^2 + (3b)^2
- 2(a^2 ) (3b)}
=a^4 - a^4 - 9b^2 + 6a^2b
= -9b^2 + 6a^2b
= 6a^2b - 9b^2
= 3b( 2a^2 - 3b)
hope it helps /
use identity: (a - b )^2 =a^2 + b^2 - 2ab ,in second part of the given question ,as it is ,
a = a^2, b = 3b
=a^4 - { (a^2)^2 + (3b)^2
- 2(a^2 ) (3b)}
=a^4 - a^4 - 9b^2 + 6a^2b
= -9b^2 + 6a^2b
= 6a^2b - 9b^2
= 3b( 2a^2 - 3b)
hope it helps /
Tribhawan:
but you explain
Answered by
0
Answer:
Hope it will help you
Please follow me
Attachments:
Similar questions
Science,
7 months ago
Social Sciences,
7 months ago
Math,
1 year ago
English,
1 year ago
Science,
1 year ago
Social Sciences,
1 year ago