(3x+1/3x) (3x-1/3x)
(Expansion)
Answers
Answered by
1
Answer:
9x²-(1/9x²)=(81x⁴-1)/9x²
Step-by-step explanation:
we know that,
(a+b)(a-b)=a²-b²
here,
(3x+1/3x) (3x-1/3x)
=(3x)²-(1/3x)²
=9x²-(1/9x²)
=(81x⁴-1)/9x²
HOPE IT HELPS,
PLEASE THANK , FOLLOW AND MARK AS BRAINLIEST.
Answered by
0
Answer:
9x-(1/9x)=(81 x*-1)/9x
Step-by-step explanation:
we know that
(a+b)(a-b)=a-b2
here,
(3x+1/3x) (3x-1/3x)
=(3x)-(1/3x)
=9x²-(1/9x) =(81x-1/9x
Hope it helps
please mark me as brainliest
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