Question

10+2root6+2root10+2root15​

Answer 1

10+2√6+2√10+2√15

= (10+2+2+2)√6+√10+√15

= (10+6) √2×3+√2×5+√3×5

=(16)√2×√3+√2×√5+√3×√5

= (16)√2×√2+√3×√3+√5×√5

= (16)2+3+5

= (16) 10

= 16×10

= 160