5-✓11/7+2✓11=a✓11-b
Answers
Answered by
1
Step-by-step explanation:
√11-√7÷ √11+√7 =
√11-√7÷√11+√7× √11-√7÷√11-√7
=( √11-√7 )°2 ÷√11°2 -√7°2
=√11°2 +√7°2 -2×√11×√7÷ 11-7
= 11+7-2√77÷ 4 = 18 -2√77÷4
= 9-√77÷ 2 = a-b√77
= a= 9/2 And b = 1/2
Attachments:
Similar questions