SHAHEED SMRITI SECONDARY GIRLS SCHOOL

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(a+b)2 ..

- (a+b)2 (a+b)2 (a+b)2 ? ? ? , ?bbbbaaaa = x a x a = a2

= x a x b = ab

a2b2abab = x b x b = b2

(()bbbbaaaa a2b2ababa2ab++a++b)=(a+b)2=+ab+ab+b2=a2+2ab+b2 =(a+b)2=a2+2ab+b2

+ + -.(a+b)2=a2+2ab+b2 (x+y)2=x2+2xy+y2 2a+3b Ans: 4a2+12ab+9b2 (p+q)2= ?(m+n)2= ? 2a+5b 3c+4d (a+b)2 (m+n)2 2ab+5xy 3ax+6 ab2+x5y a3x+6