If line d intersects plane F, then how many points on line d also lie on plane F?
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<h3><u>Solu</u><u>tion</u><u>:</u><u>-</u></h3>
Firstly we must know what complex Number is .
Complex number - The number in the form of a + bi ,where a is real part and bi is Imaginary part is called a complex number . Also here value of i ( read as iota ) is √-1 . It can't be represented on the number line and is represented on the Argand Plane .
So , here the complex number given to us is 7 + 9i .
So , it can be written as ,
= 7 + 9i .
= 7 + 9√-1 .
= 7 + √9 × √9 × √-1 .
= 7 + √ 81 × -1 .
= 7 + √-81 .