मध्यम
यदि p(x) = 5x² + (-4)x + (-3), तो p(-2) ज्ञात कीजिए।
Explanation
Explanation
p(x) में x = -2 रखने पर: p(-2) = 5(-2)² + (-4)(-2) + (-3) = 20 + 8 + -3 = 25।
PRO TIP
Re-check your working by substituting the answer back into the original question.