# Please help!!! Express the following in the form x + iy (i) (8 + 6i) + (6 + 4i). (ii) (9 - 3i) + (- 4 + 5i) (iii) (2 + 7i) - (5 + 3i) (iv) (5 - i) - (6 - 2i) (v) 3(4 + 6i) + 9(1 - 2i) (vi) 3i * (7 - 4i) (vii) (9 + 2i)(1 + 3i) (viii) (4 - i)(3 + 2i) (ix) (7 + 3i) ^ 2 (x) (8 + 6i)(8 - 6i) (xi) (1 + 2i)(3 - 4i) * (5 + 6i) ( xii) (3 + 2i) ^ 3

1 answer

###### Question:

Please help!!!

Express the following in the form x + iy

(i) (8 + 6i) + (6 + 4i).

(ii) (9 - 3i) + (- 4 + 5i)

(iii) (2 + 7i) - (5 + 3i)

(iv) (5 - i) - (6 - 2i)

(v) 3(4 + 6i) + 9(1 - 2i)

(vi) 3i * (7 - 4i)

(vii) (9 + 2i)(1 + 3i)

(viii) (4 - i)(3 + 2i)

(ix) (7 + 3i) ^ 2

(x) (8 + 6i)(8 - 6i)

(xi) (1 + 2i)(3 - 4i) * (5 + 6i)

( xii) (3 + 2i) ^ 3

Express the following in the form x + iy

(i) (8 + 6i) + (6 + 4i).

(ii) (9 - 3i) + (- 4 + 5i)

(iii) (2 + 7i) - (5 + 3i)

(iv) (5 - i) - (6 - 2i)

(v) 3(4 + 6i) + 9(1 - 2i)

(vi) 3i * (7 - 4i)

(vii) (9 + 2i)(1 + 3i)

(viii) (4 - i)(3 + 2i)

(ix) (7 + 3i) ^ 2

(x) (8 + 6i)(8 - 6i)

(xi) (1 + 2i)(3 - 4i) * (5 + 6i)

( xii) (3 + 2i) ^ 3

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