Can anyone solve this
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a+1/a=17/4⇒(a+1/a)²=(17/4)²
⇒a²+1/a²+2=289/16⇒a²+1/a²=289/16-2=257/16
(a-1/a)²=a²+1/a²-2
=257/16-2=225/16
(a-1/a)=√225/16=15/4(Ans.)
⇒a²+1/a²+2=289/16⇒a²+1/a²=289/16-2=257/16
(a-1/a)²=a²+1/a²-2
=257/16-2=225/16
(a-1/a)=√225/16=15/4(Ans.)
Sritama123:
Thanks for helping
wlcm dear
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