Question

solve with formulas fast​

Answer 1

for a)

9√5+ 6√5 - 10√5

=(9+6-10)√5

(15-10)√5

5√5

for b)

3√12 ×√15

here √12 can be written as 2√3 and √15 can be written as √3×√5

therefore,

3×2√3 × √15

=6√3×√15

=6√3 × √3 ×√5

=18√5

Answer 2

Answer:

Sorry Bro

Step-by-step explanation:

Mujhe nahi pata