If X=7+✓40 find the value of ✓x+1/✓x
Answers
Answered by
1
Answer:
2√2 + 4√5 / 3
Step-by-step explanation:
Put the value of x
= √7+√40 + 1/√7+√40
= √(√2+√5)² + 1/√(√2+√5)²
= √2+√5 + 1/√2+√5. (rationalize)
= √2+√5 + √2-√5/-3
= √2+√5 - √2-√5/3
= 3√2 + 3√5 -(√2-√5) / 3
= 3√2 + 3√5 -√2 + √5 / 3
= 2√2 + 4√5 / 3
Similar questions