If {:((2,3),(p,1)):}{:((5,2),(-4,6)):}={...

If `{:((2,3),(p,1)):}{:((5,2),(-4,6)):}={:((-2,q),(16,r)):}`, then 2p+r=

q-r

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The correct Answer is:

(i) Equate the corresponding elements on both sides.
(ii) Find the product of the two matrices which are on LHS.
(iii) Equate the corresponding elements and get the values p,q and r, then find 2p+r.

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