The mean proportional of a and bis 10 and the value of a is four times the value of b. The value of a+b (a>0, b>0) is
Answers
Answered by
2
Answer:
25
Step-by-step explanation:
given
a/10 = 10/b
ab = 100
a=4b
4b^2= 100
b= 5
a= 20
a+b = 25
Answered by
0
Answer:
20
Step-by-step explanation:
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