Asked by sean
which expression represents the sum of the following?
7 / a - 1 + 3 / 2a - 2
a) 10 / 3a - 3
b) 17 / 2(a - 1)
c) 17 / 2(a -1)^2
d) 10 / 2a - 2
7 / a - 1 + 3 / 2a - 2
a) 10 / 3a - 3
b) 17 / 2(a - 1)
c) 17 / 2(a -1)^2
d) 10 / 2a - 2
Answers
Answered by
Damon
I get 17/2a - 3
are you sure you do not mean:
7/(a-1) + 3/(2a-2) ???
that is
14/(2a-2) + 3/(2a-2)
which is
17/(2a-2)
which is
17/[2(a-1)]
which is your (b)
BE CAREFUL ABOUT PARENTHESES WHEN USING A KEYBOARD FOR MATH EXPRESSIONS!!!
are you sure you do not mean:
7/(a-1) + 3/(2a-2) ???
that is
14/(2a-2) + 3/(2a-2)
which is
17/(2a-2)
which is
17/[2(a-1)]
which is your (b)
BE CAREFUL ABOUT PARENTHESES WHEN USING A KEYBOARD FOR MATH EXPRESSIONS!!!
Answered by
sean
yeah that's what i mean 7/(a-1) + 3/(2a-2) thanks damon
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