help needed 26 TARD

SO abhi meh 11th me hun 11th almost end hone ko hai toh meri phy aur chem thik chal rhi hai prr maths fucked up hai toh meh mahs kis se krun i have purchased arjuna so i can easily understand from manoj sir air batch wale aur mere pass telegram prr gb sir ke lectures bhi hai toh pls bta do kis se krun han orr ashish sie mat bolna 2.5+ hr ki class hoti haai