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Question
विस्तार करा.
`("a"/2+"b"/3)^2`
Sum
Solution
(a + b)2 = a2 + 2ab + b2 आणि (a − b)2 = a2 − 2ab + b2.
`("a"/2+"b"/3)^2 = ("a"/2)^2+2xx("a"/2)xx("b"/3)+("b"/3)^2`
`a^2/4 +(2ab)/6 + b^2/9`
= `"a"^2/4+("ab")/3+"b"^2/9`
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Chapter 4.2: बैजिक सूत्रे - वर्ग विस्तार - सरावसंच 50 [Page 76]