find the value of √(81)-²
Attachments:
Answers
Answered by
36
√( 81)-²
we know,
9² = 81 use, it
= √(9²)-²
= √( 9)^-2 × 2
= √(9)-⁴
= (9) ^-4 × 1/2
= ( 9)^-2
= 1/9²
= 1/81 answer
we know,
9² = 81 use, it
= √(9²)-²
= √( 9)^-2 × 2
= √(9)-⁴
= (9) ^-4 × 1/2
= ( 9)^-2
= 1/9²
= 1/81 answer
Answered by
15
81 can be written as 9²
[(81)^-2]^0.5
=> [1/81^2]^0.5
=> [1/81] ^ 2*0.5
=> 1/81 ^1
=> 1/81 or 1/9² or 9^-2
Hope it helps.
Mark as brainlist
[(81)^-2]^0.5
=> [1/81^2]^0.5
=> [1/81] ^ 2*0.5
=> 1/81 ^1
=> 1/81 or 1/9² or 9^-2
Hope it helps.
Mark as brainlist
Similar questions