Qualification > Queries
Anyone who wrote CIE AS Level Maths Paper 1 today?
ifraha18:
i messed this up real bad...i took a very stupid method to solve it..can u solve urs here..
cashem'up:
one way is looking at the range of ur graph.....easy above 7 and below -1
or u can take max value of sinx and min value of sinx that is -1 and 1 and sub in equation where fx should< k ...got it and u get two ranges......where on a value of k no solutions
MAF:
-1>k>7.
that was the answer. i m sure about this.
i drew graph of 4-cos3x instead of sin.
man i m such a moron.
how many marks are they gna cut for this?
ifraha18:
haha,,,i took square n den deb the discrimant equals to les thn zero..:P lol
Samir:
It should be 1 not -1..
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