a²+1/a² if (a-1/a)² =49²
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Answer:
2403
Step-by-step explanation:
on expanding (a-1/a)^2
a^2 +1/a^2 - 2 = 49^2
on taking 2 to right side
a^2+1/a^2 = 49^2 + 2
= 2401+2= 2403
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