Thursday 8 August 2013

FOR GMS ICSE 2014 5

Addition & Subtraction of Matrices and multiplication of matrices by real numbers.

Today, we'll be combining three operations we have learnt over the last few days i.e. addition and subtraction of matrices and multiplication of matrices by real numbers.

Attempt Ex.12(B), nos.2, 6, 3, 7 in that order.
In sums 2 and 6 you're given equations involving matrices [like you did in Ex.12(A)]. You're required to multiply the given matrices by real numbers given outside the matrix bracket. Then you add or subtract the matrices as indicated. then solve to find the values of x, y, and z

In sums 3 and 7 you have been given a equation using the names of the matrices. You are required to multiply the particular matrix by the real number given.

As you go through those sums, if you have any problem, please feel free to send me an e-mail at broelmiranda@gmail.com.

All the best !

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