the geometric mean of (1+root2)and (7+5root2
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Answer:
Step-by-step explanation:
geometric mean =second term/first term
=7+5rt(2)/1+rt(2)
now rationalise the dnominator the rationalising factor of 1+rt(2) is 1-rt(2)
so (7+5rt(2))*(1-rt(2))/(1-2)
=7-7rt(2)+5rt(2)-10/-1
-3-2rt(2)/-1
=3+2rt(2)[rt means root here]
Answer:
the answer 3+2root 3
Step-by-step explanation:
it is the answer .mark it as brainlist