2npn+1:2n-2pn=56:3 sir please solve this Share with your friends Share 1 Varun Rawat answered this Dear Student, ⇒34n2 - 2n = 56n - 56⇒12n2 - 6n - 56n + 56 = 0⇒12n2 - 62n + 56 = 0⇒6n2 - 31n + 28 = 0⇒6n2 - 24n - 7n + 28 = 0⇒6nn - 4 - 7n - 4 = 0⇒n - 46n - 7 = 0⇒n = 4 or n = 76rejectedSo, n = 4 4 View Full Answer