Simplify: 6√36+5√12
Given: 6√36+5√12
=6×6+5√4×3 [∵√36=6]
=36+5×√4×√3 [∵ √ab=√a×√b]
=36+5×2×√3 [∵√4=2]
=36+10√3
Therefore, 6√36+5√12=36+10√3
Simplify: 36÷[(5–11)×2]+12 –7