(3+√7)/3-√7=a+b√7 find a and b
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this is the answer of your question
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There is some mistake in pic. See here:
(3+root 7)/(3-root 7) * (3+ root 7)/(3+ root 7) = a+b root 7
=) {(3)^2 + (7)^2 + 2*3*root 7} / (3)^2 - ( root 7)^2 = a+ b root 7
=) (16 +6root 7)/2 = a+b root 7
=) 8+ 3 root 7 = a+b root 7
Hence, a = 8
b = 3
Hope it helps u.
(3+root 7)/(3-root 7) * (3+ root 7)/(3+ root 7) = a+b root 7
=) {(3)^2 + (7)^2 + 2*3*root 7} / (3)^2 - ( root 7)^2 = a+ b root 7
=) (16 +6root 7)/2 = a+b root 7
=) 8+ 3 root 7 = a+b root 7
Hence, a = 8
b = 3
Hope it helps u.
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khem2:
bro there is a little mistake
yaa...i edit it
good
this is right
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i'm busy r8 nw...later i solve it bro
ok bro
i'm busy r8 nw...later i solve it bro
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