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Solve the complex equation z^3 + 32 + 32i(sqrt(3)) = 0

First thing to observe here, is that this equation is somewhat different to what you would find normally. This is a complex equation. How can you tell? The third term, ie 32i(sqrt(3)) contains the symbol ...

SP
Answered by Savvas P. Maths tutor
7102 Views

Solve x^2 - 7x > -6

We want to find the values of x for which this inequality is 0. Let's first fine the values of x for which x2- 7x = -6.Rearranging, x2 - 7x + 6 = 0. Now we're looking for the values ...

LG
Answered by Lucas G. Maths tutor
4574 Views

There are m fruits in a basket. 3 of the fruits are kiwis; the rest are lemons. The probability of picking two kiwis in a row (without replacement) is 0.3. Show m^2 - m - 20 = 0.

Number of lemons = m - 3. Construct a tree diagram using the information given to represent picking two fruits out of the basket (without replacement) one after the other. Since picking each fruit is an i...

HW
Answered by Heather W. Maths tutor
3042 Views

What is (18)^1/2 -(8)^1/2 simplified?

In order to answer this we will break down the two surds into their factors. So we know that 18 is 2 multiplied by 9 and so (18)^1/2=(92)^1/2 which cane be broken down into (9)^1/2(2)^1/2 .We kno...

HM
Answered by Hannah M. Maths tutor
2688 Views

solve X^2-x-12=0

To solve this equation we will want to first factorise the expression into two brackets, and then see what value makes each bracket 0. transform X^2-X-12=0 into (X+c)(X+d)=0We do this by finding factor pa...

BR
Answered by Blake R. Maths tutor
4194 Views

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