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5 سوالات: نویں جماعت ریاضی، جوابات اور وضاحت کے ساتھ۔
جوابی کنجی کے ساتھ قابلِ پرنٹ ورک شیٹ
What is the HCF of 12x2 and 18x?
درست جواب: 6x
The HCF of 12 and 18 is 6 and the common power of x is x, so 6x.
What is the LCM of 4x and 6x2?
درست جواب: 12x2
LCM of 4 and 6 is 12, and the highest power of x is x2, so 12x2.
Simplify (x2 - 4) / (x - 2).
درست جواب: x + 2
x2 - 4 = (x + 2)(x - 2), so the fraction equals x + 2.
Simplify 1/x + 1/y.
What is the square root of 49x2?
درست جواب: 7x
The square root of 49 is 7 and the square root of x2 is x.