Question

x = 5-root3/5+root3. y = 5+root3 /5-root3,find ( x-y).​

Answer 1

Answer:

-10✓3/11

Step-by-step explanation:

X= 5-✓3/5+✓3

= (5-✓3/5+✓3) (5-✓3/5-✓3)

= (25-10✓3+3)/25-3

= (28-10✓3)/22

Y= 5+✓3/5-✓3

= (5+✓3/5-✓3) (5+✓3/5+✓3)

= (25+10✓3+3)/25-3

= (28+10✓3)/22

X-Y = (28-10✓3)/22 - (28 +10✓3)/22

= -20✓3/22

= -10✓3/11