Help me do question 9 and 10 I am 6th grade. Please
1 answer:
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Final Answer:
Steps/Reasons/Explanation:
Question/Given: Factor the polynomials
<u>Step 1</u>: Ask: Which two numbers add up to and multiply to
?
and
<u>Step 2</u>: Rewrite the expression using Step 1.
~I hope I helped you :)~
<u>z²-2i=0</u>
Answer:
Solution given:
z⁴=-4
doing square root on both side
we know i²=-1
substituting i² we get
z²=
z²=2i
z²-2i=0 is a required answer. where
z² and 2 is real number.