(root 7 + root 7)^2
I can understand the solution in the book but feel my answer is right also
a. 98
b.49
c.28
d.21
e.14
qa is c
but i cant seem to explain why e is wrong.
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og math 49
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Stuart@KaplanGMAT
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Just to show all the steps:
(root7 + root7)^2
(2 * root7)^2
(2^2) * ((root7)^2)
4 * 7
28
(root7 + root7)^2
(2 * root7)^2
(2^2) * ((root7)^2)
4 * 7
28
Stuart Kovinsky | Kaplan GMAT Faculty | Toronto
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farooq
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resilient wrote:(root 7 + root 7)^2
I can understand the solution in the book but feel my answer is right also
a. 98
b.49
c.28
d.21
e.14
qa is c
but i cant seem to explain why e is wrong.
(a+b)^2 = a^2 + b^2 + 2ab
Regards,
Farooq Farooqui.
London. UK
It is your Attitude, not your Aptitude, that determines your Altitude.
Farooq Farooqui.
London. UK
It is your Attitude, not your Aptitude, that determines your Altitude.
