#asqrt(a)+bsqrt(b)=183# and #asqrt(b)+bsqrt(a)=182# Find #9/5(a+b)# ?
2 Answers
73
Explanation:
Let
and
So, the altered equations now look like,
We know the basic identity,
Plugging in the "altered" equations,
Now, plug
Also,
Since we've found out
When
Adding both the equations,
therefore,
Either way, we have to find,
Alternate to the previous answer
Explanation:
Let
and
So, the altered equations now look like,
We know the basic identity,
Plugging in the "altered" equations,
Now, plug
We know,
We need to find,
Another way could be,
since,
.
Then the required expression