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ii)aS unlls, 1 IVerify the identity (a+b) (a-b) a- a 3 units, b 2 units(i) a 2 units, b 1 unitb geometrically by taking |
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Answer» a=3 b=2hence(3+2)(3-2)=5*1=5now a^2-b^2=3^2-2^2=9-4=5hence verifieda=2 and b=1hence(2+1)(2-1)=3*1=3anda^2-b^2=2^2-1=4-1=3hence verified. how to draw figure for this thanks |
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