Question

Try this, it is an extended IGCSE paper.

0f46d197ccf1a996e7fc78d9277b9063.pdf

Answer 1

Answer:

where there is no question.

Answer 2

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Ohk

1: (x_7)(x+4)

x=7

x=-4

2 : 2x - 4xy

= 2x ( 1 - 4y)

3 : if we take A as theta then

sec A = 3.5/0.9

sec A slightly equal to 4 degree [it is 3.9 something but we ll use proper angle ]

I ve not much time bye bye

thanks it is very easy