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I. x² + 4x + 4 = 0 Pairs are: 2, 2 So by changing its signs & dividing by a i.e.1, we will get x = -2, -2 II. y² - 8y + 16 = 0 Pairs are: -4, -4 So by changing its signs & dividing by a i.e.1, we will get y = 4, 4 Hence, x < y.
Which numbers should be interchanged to make the given equation correct?
105 ÷ 3 – 44 + 5 × 8 = 39
Select a suitable figure from the four alternatives that would complete the figure matrix.
Rearrange the jumbled letters to make a meaningful English word and then select the word which is different from the rest.