if a = 6-√35 find the value of a^3+1/a^2
Answers
Answered by
1
Answer:
7560
Step-by-step explanation:
a = 6√35
a³ + 1
---- = ?
a²
a³ = (6√35)³ = 216 × 35√35
= 7560√35
a² = (6√35)² = 36 × 35
= 1260
∴ a³ + 1 1
---- = 7560√35 + --------
a² 1260
= (7560√35 × 1260) + 1
---------------------------------
1260
= 9525601
--------------- = 7560 (approx)
1260
Similar questions