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Answer:
3.B
4.D
5.B
6.B
Step-by-step explanation:
Given:
LCM(a,b) = 90 and GCD(a,b) = 3.
b is three more than a.
To find:
The values of a and b.
Solution:
We have,
LCM(a,b) = 90
GCD(a,b) = HCF(a,b) = 3
According to the question,
If a and b are two positive integers, then
Splitting the middle terms, we get
Using zero product property, we get
and
and
a is a positive integer so it cannot be negative. So, a=15.
Now,
Therefore, the value of a is 15 and the value of b is 18.
Answer: 1. p^24 2. r^7 3. s^35 4. u^13
Step-by-step explanation: Hope this helps!