Find the value of K , if
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Answer :-
81y² - K.
= (9y)²- (√k)².
( 9y+√k) ( 9y-√k) = (9y+1/2) ( 9y-1/2) «----- Given.
Comparing , √k = 1/2.
Thus , K = 1/4.
Answered by
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Answer:
1/4
Step-by-step explanation:
formula is a square - b square
=(a+b ) (a-b)
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