Pls solve it ...... question no. 9 , 12, and 15
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manoj249:
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9...
(root 7 - 1 )^2/root 7 +1 - ( root 7+ 1) ^2 /root 7- 1
so
7-2root 7 +1 - 7 - 2root 7 -1 ... whole upon 6
-4root 7/6 =a+b root 7
so on comparing
a=-4/6
-2/3
and broot 7=root 7/ 6
b=1/ 6
i hope these will the ans i not understand the rest two questions so sorry for that ....
(root 7 - 1 )^2/root 7 +1 - ( root 7+ 1) ^2 /root 7- 1
so
7-2root 7 +1 - 7 - 2root 7 -1 ... whole upon 6
-4root 7/6 =a+b root 7
so on comparing
a=-4/6
-2/3
and broot 7=root 7/ 6
b=1/ 6
i hope these will the ans i not understand the rest two questions so sorry for that ....
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