Question

answer fastly pleaseeeeeesse ​

Answer 1

Step-by-step explanation:

1) here, p(x)= x³-ax+6x-a and the zero of x-a is a.

putting the value,

p(a)=a³-(a*a)+6a-a

=a³-a²+5a

so, by the remainder theorem, a³-a²+5a is the remainder when x³-ax+6x-a is divided by x-a.

2) 4x²+9y²+16z²+12xy - 24yz - 16xz

=(2x)²+ (3y)²+ (-4z)²+ 2 *(3y*2x) + 2*(-4z*3y)+2*(2x*-4z) [because (x+y+z)²=y²+ x²+z²+ 2xy+ 2yz+ 2zx]

=(2x+3y-4z)²

3)i.1/√5+√2

=1/√5+√2 * √5-√2/√5-√2

=√5-√2/5-2

=√5-√2/3

ii. 1/√7-√6

=1/√7-√6*√7+√6/√7+√6

=√7+√6/7-6

=√7+√6/1

I have used this * symbol for multiplication.

write the above answers, you will get full mark⬆️

Answer 2

Answer:

here is ure answer is ......