√15 x√20 is equal to
(1) 10√3
(3) 21√3
(2) √3
(4) 15√3
Answers
Answered by
2
Answer:
(1) is your answer................
Answered by
0
Answer:
1st option = 10√3
Step-by-step explanation:
√15 x√20 is equal to
√15=√5*3
√20=√5*4
(√5*3)*(√5*4)
=√5*√5=5
√4=2
=5*2*√3
=10√3
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