No products in the cart.

  1. Homework Help
  2. CBSE
  3. Class 08
  4. Mathematics

Find the square Of 42 using …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Install Now
Find the square Of 42 using suitable identity

    • Posted by Aditya Yadav 6 years, 8 months ago

    CBSE > Class 08 > Mathematics
    • 2 answers

    Aditya Goyal 6 years, 8 months ago

    Take the base 50. 50-42=8 8*8=64 42-25=17 1764 Ans

    1Thank You

    Muskan Yadav 6 years, 8 months ago

    42 =(40+2) (a+b)^2 =(a)^2+2ab+(b)^2 (40+2)=40×40+2×40×2+2×2 =1600+160+4 =1764

    2Thank You

    ANSWER
    http://mycbseguide.com/examin8/

    Related Questions

    Find the measures of the angles made by the intersecting lines at the vertices of an equivalent triangle

    • Posted by Arya Jain 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 1 answers
    A rational number is such that when you multiply it by 5/2 and add2/3 to the product you get -7/12 find the number

    • Posted by Mohamed Imran 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 1 answers
    Pythagoras theoram ???

    • Posted by Ojus Dimen 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 1 answers
    Find examples from your surroundings where lines insect set at right angle

    • Posted by Arya Jain 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 0 answers
    Class 8th ex .5.1

    • Posted by Jashan Preet 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 1 answers
    A streamer goes down stream from one point to another in 7 hours it covers the same distance upstream in 8 hours if the speed of the streamer is 2km/hr find the speed of the streamer in still water and the distance between the point

    • Posted by Afeefa Malik 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 0 answers
    Convert the following ratio to percentage 3:4

    • Posted by Vibha Sharma 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 2 answers
    How to understand math

    • Posted by Monika 8B 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 0 answers
    A card is drawn at random from a pack of 52 cards find probability of (1) a black card (2)either a black card or a king (3) black and a king

    • Posted by Deepak Saharan 1 month, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 0 answers
    3+4{

    • Posted by Gupteswari Bag 4 months, 2 weeks ago

    CBSE > Class 08 > Mathematics
    • 4 answers

    myCBSEguide App

    myCBSEguide

    Trusted by 1 Crore+ Students

    Install Now

    Test Generator

    Test Generator

    Create papers online. It's FREE.

    Try Now

    CUET Mock Tests

    CUET Mock Tests

    75,000+ questions to practice only on myCBSEguide app

    Install Now
    Google Play

    Download myCBSEguide App

    All Courses

    Other Websites

    CBSE Courses

    Resources

    Corporate

    NCERT Solutions

    CBSE Sample Papers

    All Content and Intellectual Property is under Copyright Protection | myCBSEguide.com ©2007-2024