Add. (5-6i)+(7 + 5 i) (5-6i) + (7 + 5i)- (Simplify your answer. Type your answer...
Write the expression in standard form. 46 - 6i) 466-6i) = 0 (Simplify your answer. Type your answer in the form a + bi.)
perform the indicated operations. (2-5i)(3-i)-(4-i)(4+i) (simplify your answer. Type your answer in the form a+bi)
Add and simplify (3-2) (6-6) The answer is (Type your answer in the form a + bi.,)
Directions: In 25-27, let u = 15-6i .V=-5+ 4i, and w=-2-i. [25] Simplify u + 3v: A) -6i B) 6i C) 30-6i D) 30+6i E) none of these [26] Find the sum of the conjugate of v and the conjugate of w. A)-7-31 B) -7 +31 C) 7-3i D) 7+3i E) none of these [27] Subtract w from u. A) -17-71 B) -17+5i c) 13-5i D) 13-71 E) none of these
Multiply. (2 + 7i)(8 + i) (2 + 71)(8 +i)= (Simplify your answer. Type your answer in the form a + bi.)
Divide. 6j 7-41 6j 7-43 (Simplify your answer. Type an integer or a fraction. Type your answer in the form a + bj.)
Write the expression in standard form. 2i-(-6 +19) 2i-(-6 + 19i) = (Simplify your answer. Type your answer in the form a + bi.)
Let u = 4 – 7i, v=1+5 i and w= 6 + 7 i. What is u – (v – w)? Simplify your answer, giving it in the form a + bi. U- (v – W) = (To enter i, type i )
Write the expression in standard form. 2+ i 6- i 6+1 2+ i 6-1 (Simplify your answer. Type your answer in the form a +bi. Use integers or fractions for any numbers in the expression.)
Section 10.7 Question #10
Find the product. 4 i (9 i - 7) 4 i (9 i -7)=0 (Simplify your answer. Type your answer in the form a+bi.)