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Manu

· started a discussion

· 1 Months ago

this solution i think is wrong (Question: 117363.0 )

1 raise to power -3=1

how it is possible?

Question:
If \(a=\left ( \sqrt[]{3}+\sqrt[]{2} \right )^{-3}\) and \(b=\left ( \sqrt[]{3}-\sqrt[]{2} \right )^{-3}\) then the value of (a+1)-1 + (b+1)-1 is:
Options:
A) \(50\sqrt[]{3}\)
B) \(48\sqrt[]{2}\)
C) 1
D) 5
Solution:
Ans: (c) 

Knowledge Expert

· commented

· 1 Months ago

Dear student,
Explaination is
(1)^-3 = 1/(1)^3
1/1 = 1

Keep learning keep solving
Team TR

Sohil Rajput

· commented

· 1 Months ago

bhai kaha to padhe ho aap kya likhte ho haahhahahhahahhahahahahha

Knowledge Expert

· commented

· 1 Months ago

@Nihar Ranjan Mohanty exactly

Nihar Ranjan Mohanty

· commented

· 1 Months ago

1/(1 power 3)=1

ASHUTOSH KUMAR

· commented

· 1 Months ago

in such type questions where diff between terms inside roots is 1 i.e. (3-2=1), always ab=1 now sol 1/(a+1) + 1/(b+1)

Divyanshu Kumar Gupta

· commented

· 1 Months ago

1 raise to the power -3= (1/1)raise to the power 3= 1 understand
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