Question

factorise the above question​

Answer 1

a^4 + b^4 - 7a^2b^2

a^4 + b^4 - 2a^2b^2 - 5a^2b^2

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

(a^2 + b^2)^2 - ( √5ab)^2

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

Answer 2

|| ✰✰ ANSWER ✰✰ ||

✧✧ Please refer the Photo ✧✧

✪✪ Hence Answered ✪✪

Hope it help u mark as brainliest please