Question

$simplify \: 3 \sqrt{45} - \sqrt{125} + \sqrt{200} - \sqrt{50} .$

Answer 1

hello!
#ur Ans
__________

=> 3×√(3×3×5) -√(5×5×5) +√(2×2×2×5×5) -√(2×5×5)

now take pair

=> 9√5 -5√5 +10√2 -5√2

=> 4√5 +5√2 ANS

:-)☺✌