If 49x2-b =(7x + 1/2 )(7x - 1/2 ), then find the value of b.
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Answered by
23
answer is 0.25
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Malavika123:
thank u
Answered by
20
49x² - b = (7x)² - (1/2)²
49x² - b = 49x² -1/4
-b = - 1/4
b = 1/4 Ans....
49x² - b = 49x² -1/4
-b = - 1/4
b = 1/4 Ans....
thank u
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