Question

pl guys help mee !!!!! pl it's urgent answer me with step by step explanation​

Answer 1

Answer:

plz refer to the attachment

Answer 2

a) 3√5*2√5 =6*5=30

b) 3√28*2√7 =3*√4*√7*2√7= 3*2√7*2√7=3*4*7=84

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