Question

subtract 5 root 3 +7 root 5 from 3 root 5-7root 3 plz ans fast​

Answer 1

Answer:

• (3✓5-7✓3)-(5✓3+7✓5)
• 3✓5-7✓3-5✓3-7✓5
• then squaring to all side
• then (3*5)-(7*3)-(5*3)-(7*5)
• 15-21-15-35
• hence ans is -66.

Answer 2

Answer:

422

Step-by-step explanation:

(5√3 + 7√5) - (3√5 - 7√3)

squaring both the sides

(5√3 + 7√5)² - (3√5 - 7√3)²

= (5*5*3 + 7*7*5) - (3*3*5 - 7*7*3)

= (75 + 245) - (45 - 147)

= (320) - (-102)

= 320 + 102

= 422