in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.
hope it
Answer from: Quest
option (b) is correct
step-by-step explanation:
to find the solution of this system, we need to convert it into reduced row-echelon form. we have,
after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,
Answer from: Quest
exactly you go it
step-by-step explanation:
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