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OpenStudy (chris215):
PLEASE HELP I WILL GIVE MEDALS
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OpenStudy (chris215):
OpenStudy (popitree):
its first one
OpenStudy (chris215):
how would I solve that though?
OpenStudy (popitree):
when u multiply matrix with a scalar (here 3) it will be multiplied with each no
OpenStudy (popitree):
so first row first column element of 3A = 3*3 = 9 so first row first column element of (3A-B) = 9-7 = 2 and there is only one option with that :)
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OpenStudy (chris215):
Oh ok thank you!!
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