Answer:
11
Step-by-step explanation:
9+9+11+15 is 44 44/4 is 11
Step-by-step explanation:
log(x+2)-log(x-1)=log2
log(x+2)/(x-1)=log2
=> (x+2)=2(x-1)
=>x+2 =2x-2
=> x=4
Answer:
Given:
1).
divided by 
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By factorising numerator by using identity, 
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<u> {Answer}</u>
2).
divided by 
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</u> <u>{ Answer}</u>