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Question
सोडवा.
(3x + 2y)(7x − 8y)
Sum
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Solution
(3x + 2y)(7x − 8y)
= 3x (7x − 8y) + 2y(7x − 8y)
= 21x2 − 24xy + 14xy − 16y2
= 21x2 − 10xy − 16y2
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Chapter 8: बैजिक राशी व त्यांवरील क्रिया - संकीर्ण प्रश्नसंग्रह 1 [Page 90]
