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its from the chapter algebraic expressions and identities
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Answered by
1
Answer:
20
Step-by-step explanation:
Check in the below attachment for the solution.
Hope this helps you!
Attachments:
Answered by
1
Answer:
20
Step-by-step explanation:
a²- b² = (a+b) x (a-b)
here, a= 38 and b= 18
therefore, 38² - 18² = (38+18) x (38-18)
= 56× 20
56 x 20/ 56 = 20.
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