Question
Download Solution PDFGiven that
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFGiven:
Formula used:
Calculation:
First, simplify the expression for x:
⇒
⇒
⇒
⇒
⇒
Next, simplify the expression for y:
This is in the form (a + b)(a - b) = a2 - b2
⇒
⇒
⇒ y = 1
Now, find the value of
⇒
We are given that
So,
By comparing the rational and irrational parts:
a = 0
b = 18
a + 2b = 0 + 2 × 18
⇒ a + 2b = 0 + 36
⇒ a + 2b = 36
∴ The correct answer is option 3.
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