solve the following inequilities Share with your friends Share 1 Anupam Sharma answered this Dear Student, x4-5x2+4<0x4-4x2-x2+4<0x2-1x2-1<0∴ the zeroes of this polynomial are -2,-1,1,2 ⇒Either x< -2⇒x∈-∞,-2 or-2<x<-1⇒x∈-2,-1or 1<x<2 ⇒x∈1,2or x>2⇒2,∞For x=3∈2,∞p(x)>0⇒x∉2,∞For x=32∈1,2p(x)<0⇒x∈1,2For x=0∈-1,1p(0)=0⇒x∉-1,1For x=-32∈-2,-1p(-32)<0⇒x∈-2,-1For x=-3∈-∞,-2p(-3)>0⇒x∉-∞,-2⇒x∈-2,-1∪1,2 Regards 0 View Full Answer
