using suitable identity evalute(69.3)square-(30.7) square
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Answered by
59
Hey there,
69.3²-30.7²
=(69.3+30.7)(69.3-30.7)
=(100)(38.6)
=3860
NOTE-a²-b²=(a+b)(a-b)
PLEASE MARK AS BRAINLIEST IF HELPFUL!!!
Regards071610220Ace
69.3²-30.7²
=(69.3+30.7)(69.3-30.7)
=(100)(38.6)
=3860
NOTE-a²-b²=(a+b)(a-b)
PLEASE MARK AS BRAINLIEST IF HELPFUL!!!
Regards071610220Ace
Answered by
3
Answer:
the answer is
Step-by-step explanation:
3860
hope it will help u
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