Answer:
We know that, (A+B)(C+D)=A×(C+D)+B×(C+D)
=AC+AD+BC+CD
(i) (3+
3
)(2+
2
)=(6+2
+3
+
6
)
(ii) (
5
=(5+2+2
10
)=(7+2
(iii) (3+
)(3−
)=(9−3)=6
(iv) (
−
)(
)=(5−2)=3
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