help me to solve this
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=(A+B)(A-B)/(a+b)-(a-b)×10
=A2-B2/4ab×10
=3^2-(√5i)^2/4(√3×√2i)×10
=9-5i^2/4i√5×10
=90-50i/40i√5
RATIONALISE IT YOU WILL GET ANSWER
=A2-B2/4ab×10
=3^2-(√5i)^2/4(√3×√2i)×10
=9-5i^2/4i√5×10
=90-50i/40i√5
RATIONALISE IT YOU WILL GET ANSWER
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