plz slove this as i have to sumbit
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(a+b+c)²=a²+b²+c²+2(ab+bc+ca)
ye formula use karo
(4a-5b+9c)²=16a²+25b²+81c²+2(-20ab-45bc+36ac)
(-7a-8b-4c)²=49a²+64b²+16c²+2(56ab+32bc+28ac)
(a+b)³=a³+b³+3a²b+3ab²
(a-b)³=a³-b³-3a²b+3ab²
ye formula use karo
(4a-5b+9c)²=16a²+25b²+81c²+2(-20ab-45bc+36ac)
(-7a-8b-4c)²=49a²+64b²+16c²+2(56ab+32bc+28ac)
(a+b)³=a³+b³+3a²b+3ab²
(a-b)³=a³-b³-3a²b+3ab²
khushi74958:
ok thank u
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