Math, asked by harish7117, 7 months ago

x Class - CBSE
19. If a and b can take values 1, 2, 3, 4. Then the number of the equations of the form ax^2 + bx+1=0

20. The number of quadratic equations having real roots and which do not change by squaring their roots

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Answered by pandeyshivam2917

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