Question
Which of the following statements is correct? I.
If x = 12, y = –2 and z = –10, then x³ + y³ + z³ = 720 II. If x + y = 48 and 4xy = 124, then 4x² +4y² = 9368Solution
For statement first – X =12, y=-2 and z= -10 x+ y+ z =12 -2-10=0 x +y + z=0 so. x³ + y³+ z³ = 3xyz = 3 ×12 × -2× -10 = 720 For statement second – x + y = 48, 4xy = 124 4x² +4y² = 4480 4(x² +y²) = 4480 4(x² +y²) = 4[ (x+ y) ²-2xy] =4[(48) ² -2×31] =4[2404-62] =4 ×2342=9368,
What does the National Curriculum Framework for School Education (NCF-SE) aim to achieve through its emphasis on vocational education? –
Which of the following is NOT a method used for crop yield assessment under PMFBY?
What is the tax treatment of contributions made to the Sukanya Samridhi Yojana?
Mission Poshan 2.0 was launched in 2021 to address the challenges of malnutrition in children, adolescent girls, pregnant women and lactating mothers. ...
Under PMKVY, what is the maximum monetary reward a trainee can receive upon successful certification?
Which of the following government scheme is implemented through Life Insurance Corporation?
Which two organizations recently signed a Memorandum of Understanding (MoU) to accelerate the achievement of Sustainable Development Goals (SDGs)?
Which of the following is the correct objective of Jan Shikshan Sansthan Scheme?
Under the AMRUT Mission, Pey Jal Survekshan is conducted for which of the following purposes?
Which primary objective of the Pradhan Mantri Ayushman Bharat Yojana aims to alleviate the financial burden of healthcare on low-income households?