दो लगातार पूर्णांकों का गुणनफल 72 है। पूर्णांक ज्ञात करें।
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Answer:
माना प्रथम पूर्णांक = x
अत: द्वितीय पूर्णांक = x+1
प्रस्नानुसर ,
x(x+1) = 72
x²+x-72 = 0
x²+9x-8x-72 = 0
x(x+9)-8(x+9) = 0
(x+9)(x-8) = 0
when x+9 = 0. when x-8 = 0
x= -9. x = 8
अतः संख्याएं
-9 and -8 or 8 and 9
please mark my answer as braintists answer
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माना पहली पूर्णांक =( x)
दूसरी पूर्णांक= (x+1)
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